18975244896 has 96 divisors (see below), whose sum is σ = 55574719200. Its totient is φ = 6298767360.

The previous prime is 18975244889. The next prime is 18975244901. The reversal of 18975244896 is 69844257981.

18975244896 is a `hidden beast` number, since 1 + 89 + 75 + 2 + 4 + 489 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162660 + ... + 253788.

It is an arithmetic number, because the mean of its divisors is an integer number (578903325).

Almost surely, 2^18975244896 is an apocalyptic number.

18975244896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18975244896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27787359600).

18975244896 is an abundant number, since it is smaller than the sum of its proper divisors (36599474304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18975244896 is a wasteful number, since it uses less digits than its factorization.

18975244896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91389 (or 91375 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 18975244896 in words is "eighteen billion, nine hundred seventy-five million, two hundred forty-four thousand, eight hundred ninety-six".